Isosceles Triangle Theorem - Proof | Don't Memorise

[@InfinityLearn_NEET]

An isosceles triangle is a triangle that has two sides of equal length. An isosceles triangle therefore has two equal angles.
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Thank you so much Bhoomi for your appreciation. We are glad that you understood the concept. We are happy that we could help you learn. You really motivate us. 🤗🤗

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It is very simple and easy, but plz also add some example question to make us or everyone to help them understand.
Anyway, thank u for making it easy. Keep up the Good Job !!

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This channel helped me a lot

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I love this teaching methods i am a teacher and this method is good for teaching students

[@InfinityLearn_NEET]

Thank you so much for your appreciation. We are glad that you understood the concept. For more videos, please visit our website - dontmemorise.com/

[@divanshyadav9886]

Best for quick memorising for exams💛💛

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Thank you mam for your video. I understand the conceot well than my teacher teached me ❤. Thanks a lot and keep going.

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Thank you from '2019 studying Geometry :D

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[@FolpyGaming]

Can you tell me why every equilateral triangle is an isosceles triangle

[@rajendraladvikar7446]

Thanks a lot.

[@mathewthomas6694]

The reason for angle BAD and CAD being congruent is the simple reason that the base angles of an isosceles triangle are congruent. It's obvious that the triangle given is isosceles because two of the sides are congruent. Even then, segment AD being congruent to itself is by the reflexive property, not because it's the common side. Even if it is just proving this theorem, Angle ABC and ACB would be congruent by CPCTC, or congruent parts of congruent triangles are congruent. Other than that, this video is pretty good.

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Thanks Maam, you Help me Pass my Test.

[@InfinityLearn_NEET]

Hi Daffodil, We are very happy to hear that.
To view more videos for free, register on our website: bit.ly/DontMemoriseRegister. :)

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[@probropalzgaming9989]

I came up with a solution independently, but it differs slightly in that the vertex angle (the unequal angle) must be mentioned, as well as the base.
In this solution, we bisect the vertex angle, knowing that this is also an altitude and a perpendicular bisector.
We then have two right angled triangles.
We divide the vertex angle into two because we have bisected it.
We now know two angles: the right angle and the bisected vertex angle.
Using the Property of the Sum of the Angles of a Triangle is equal to 180 degrees, we now know all the three angles of the triangle.
Repeating the process with the other triangle, we see that the base angles are equal in an isosceles triangle.

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.

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Good video. Helped me a bunch.

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Thanks for the theotem

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Thank you mam👍❤️

[@InfinityLearn_NEET]

You're most welcome Nimesh. We are glad that you understood the concept. For more videos, please visit our website - dontmemorise.com/

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From south India 🇮🇳

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Thanks for this video

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You're most welcome. We are glad that you understood the concept. We are happy that we could help you learn. You motivate us to do better. Keep watching our videos : )

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You're most welcome Huma. We are glad that you understood the concept. We are happy that we could help you learn. Keep watching our videos : )

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Is BD=DC after proving the two triangles are congruent

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I have a question..... We didn't mantion point D in construction..... How can we do

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Is drawing angle bisector an only way to draw the auxiliary line?

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SAS is not an axiom, it is a theorem as well

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Nothing more then a Roof Rafter. Degree sin x base = divided by top degree sin = opposite leg which are both the same

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Doubt cleared.....

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2:14 Indeed, just one triangle is needed. Ask to Pappus.

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You're very welcome, Nikharika! :)

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Rhs draw perpendicular

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